Combine arepa flour and salt in a medium bowl. Make a well in the center and add 2 1/2 cups warm water. Using a wooden spoon, gradually incorporate dry ingredients, stirring until no dry lumps remain. Let rest 5 minutes to hydrate.,Knead dough a few times in bowl, then divide into 8 pieces. Roll each piece on work surface into a ball, then gently flatten to about 1/2" thick.,______,Repeat with remaining 1 tablespoons oil and dough.,Split arepas and stuff with desired fillings; serve with lime wedges for squeezing over.